Independently verified. Rep. Nydia Velazquez [D-NY-7] was the lead sponsor of H.R. 2070, the Puerto Rico Self-Determination Act of 2021, introduced 03/18/2021 in the 117th Congress. She did far more than cast a supporting vote: the House Natural Resources Committee held legislative hearings on the bill (April 14, 2021 and June 16, 2021), and she then negotiated a compromise that merged her self-determination approach with the competing statehood bill into H.R. 8393, the Puerto Rico Status Act, which she co-sponsored and which passed the House 233-191 on Dec. 15, 2022. The measure died in the Senate and was never enacted, and the exact 'binding status convention' mechanism was ultimately replaced by a three-option plebiscite in the compromise bill, so this is active championing rather than full fulfillment. The CHAMPIONED (+0.75) label is fair under a nonpartisan standard: a lead sponsor who drove committee hearings and floor passage of a related compromise, but did not achieve enactment, would receive the same label regardless of party. Confidence 0.9 reflects strong primary-source corroboration.